package com.leyou.auth.web;

import com.leyou.auth.service.AuthService;
import com.leyou.common.auth.entity.UserInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@RestController
public class AuthController {

    @Autowired
    private AuthService authService;

    /**
     * 用户登录
     * @param username  登录名称
     * @param password  登录密码
     * @return          无
     */
    @PostMapping("/login")
    public ResponseEntity<Void> login(@RequestParam("username") String username,
                                      @RequestParam("password") String password,
                                      HttpServletResponse response){
        authService.login(username, password, response);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }

    /**
     * 验证token，并且返回token中的用户信息
     * @param request   ： 请求对象，cookie在里面
     * @return          返回token中载荷对象： UserInfo
     */
    @GetMapping("/verify")
    public ResponseEntity<UserInfo> verifyUser(HttpServletRequest request, HttpServletResponse response){
        UserInfo userInfo = authService.verifyUser(request, response);
        return ResponseEntity.ok(userInfo);
    }

    /**
     * 用户退出
     * @param request     请求用于获取cookie
     * @param response    用于删除cookie
     * @return
     */
    @PostMapping("/logout")
    public ResponseEntity<Void> logout(HttpServletRequest request, HttpServletResponse response){
        authService.logout(request, response);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }

    /**
     * 给每个微服务颁发token的接口
     * @param id        微服务的id
     * @param secret    微服务的密码
     * @return          JWT
     */
    @GetMapping("/authorization")
    public ResponseEntity<String> authorization(@RequestParam("id") Long id,
                                                @RequestParam("secret") String secret){
        String token = authService.authorization(id, secret);
        return ResponseEntity.ok(token);
    }
}
